Mahaska County, IA Map
Official Census boundary of Mahaska County, Iowa (FIPS 19123). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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Mahaska County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
22,021
Households
8,743
Median household income
$70,940
Median age
39 years
Median home value
$157,800
Median gross rent
$793/mo
Owner-occupied homes
68%
Bachelor's degree or higher
24.1%
Below poverty level
12.6%
Land area
570.9 sq mi
Population density
39 / sq mi